A four-time All-Star, Sheets was the National League's starter in the Midsummer Classic in 2008, his last season in the majors. Sheets missed the entire 2009 season after undergoing elbow surgery at the close of the '08 campaign.

Over the course of his 8-year career, all with Milwaukee, Sheets is 86-83 with a 3.72 ERA. He was 13-9 with a 3.09 ERA with the Brewers in 2008.